If you scored the Mock Exam in ISC2 with a stable score of 85% you're fine.
Drills, drills and more drills.
Free resource could be found here:
And if your a member of ISC2, you get 20% discount and the 800 pesos investment for the book is worth the buy....
Thank you sir for the resources. Actually sir I'm currently candidate for " one million certified Cybersecurity" I just grab the opportunity to Learn and also to take the exam for free I just schedule it this July 17
CCSP --- Certified in Cloud Security Professional would be a good stepping stone if your into Cloud presales. You may have to dive into more technical details per domain, but since your already involved into the cloud in your current job, that would be a good preparation.